function file_contents = readFile(filename)
    %READFILE reads a file and returns its entire contents 
    %   file_contents = READFILE(filename) reads a file and returns its entire
    %   contents in file_contents
    %
    
    % Load File
    fid = fopen(filename);
    if fid
        file_contents = fscanf(fid, '%c', inf);
        fclose(fid);
    else
        file_contents = '';
        fprintf('Unable to open %s\n', filename);
    end
    
    end